A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 6220-01-181-5854
NSN 5915-01-349-8437
NSN 7035-01-271-1643
NSN 6650-01-303-7964
NSN 5985-01-478-9977
NSN 6685-01-152-2846
NSN 5855-00-361-0167
NSN 5999-00-583-7949
NSN 6145-01-352-0703
NSN 5935-00-761-5165
NSN 5975-01-251-0423
NSN 5999-01-552-4380